#!/usr/bin/env bash

# Copyright 2022 DigitalOcean
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

set -o errexit
set -o nounset
set -o pipefail


if [[ $# -ne 1 ]]; then
  echo "$(basename "$0") <Kubernetes version, e.g., 1.42.23>" >&2
  exit 1
fi

readonly KUBE_VERSION="$1"

curl --fail --location "https://dl.k8s.io/v${KUBE_VERSION}/kubernetes-test-linux-amd64.tar.gz" | tar xvzOf - --strip-components 3 kubernetes/test/bin/e2e.test | sha256sum | awk '{print $1}'
